Well because it has momentum and it needs to be slowed down.
When you jumó ur legs put force on ground
8. The answer is C
9. Sorry I don't know
Answer:
80 ft/s
Explanation:
Given:
Δy = 100 ft
v₀ = 0 ft/s
a = 32.2 ft/s²
Find: v
v² = v₀² + 2aΔx
v² = (0 ft/s)² + 2 (32.2 ft/s²) (100 ft)
v = 80.2 ft/s
Rounded, the speed when it reaches the ground is 80 ft/s.
The number of protons always differs in atoms of different elements.
